Silalahi, T., Division of Cardiovascular, Department of Internal Medicine, Christian University, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Alwi, I., Division Cardiovascular, Department of Internal Medicine, Universitas Indonesia, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Suyatna, F., Department of Clinical Pharmacology, Universitas Indonesia, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Sartika, K.D., Division of Cardiovascular, Department of Internal Medicine, Christian University, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia